definisi
dacite punika rock igneous vulkanik kang rintermediate ing komposisi antarane awujud lan rhyolite
shoshonite punika rock basaltic, mlaku a trachyandesite potassic, dumadi saka olivine, augite lan plagioclase phenocrysts ing groundmass karo plagioclase calcic lan sanidine lan sawetara kaca vulkanik peteng-colored
Sajarah
asal
romania lan Moldova, europe
wyoming, usa
panemu
Ora dingerteni
iddings
Etimologi
saka Dacia, sawijining provinsi saka kekaisaran Romawi kang lay antarane Kali Danube lan Pagunungan Carpathian ngendi rock ing Pisanan
saka panggonan asal disebut shoshone riverin wyoming
kelas
batuan beku
batuan beku
sub-kelas
awet rock, rock alus
awet rock, medium atose rock
kulawarga
group
vulkanik
vulkanik
kategori liyane
rock grained nggoleki, medium rock grained, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
tektur
aphanitic kanggo porphyritic
porphyritic
werna
bluish - werna abu-abu, coklat, grey, cahya kanggo werna abu-abu peteng
brown- ireng, coklat peteng
pangopènan
kurang
kurang
kekiatan
awet
awet
banyu tahan
✔
✘
✔
✘
ngeruk tahan
✔
✘
✔
✘
rereged tahan
✔
✘
✔
✘
angin tahan
✔
✘
✔
✘
asam tahan
✔
✘
✔
✘
katon
vesicular
kurang
arsitektur
Efesus interior
aggregates hiasan, entryways, interior
aggregates hiasan, homes, interior
Efesus njaba
minangka watu bangunan, mapeng watu, Taman hiasan
minangka watu bangunan, minangka madhep watu
Efesus arsitektur liyane
curbing
curbing
industri
industri construction
minangka watu ukuran, kanthi jumlah ongko construction, kanggo dalan kanthi jumlah ongko, landscaping
minangka watu ukuran, cobblestones, alur trek ballast, roadstone
industri medical
-
-
Efesus jaman
artefak
reca
Panggunaan sanès
komersial
tablet commemorative, nggawe kriya
pelaku kuburan, nggawe kriya
jinis
dacite footwall, hanging dacite wall, tuff lan biotite dacite
Batu vulkanik penengah
fitur
tuan rumah rock kanggo timbal, iku salah siji saka rock tuwa
tahan struktural dhuwur marang erosi lan iklim, rock grained banget nggoleki
pinunjul arkeologi
monumen
-
-
monumen misuwur
-
-
reca
-
-
patung misuwur
-
-
Pictographs
-
-
petroglyphs
-
-
figurines
-
-
fosil
absen
absen
tatanan
dacitic magma wis kawangun dening subduksi saka lemah ndhuwur enom laut ing piring Continental felsic nglukis. luwih, ing satunggalipun saperangan wis hydrothermally ngrubah minangka quartz lan sodium sing ditambahake.
shoshonite punika, hard rock nggoleki-grained kang jinis metasomatite, ateges ngrubah basalt. iku formulir karo utawa tanpa crystallization, salah siji ngisor permukaan minangka rocks intrusive utawa ing lumahing minangka rocks extrusive.
komposisi
isi Mineral
amphibole, apatite, biotite, Feldspar, garnet, hornblade, magnetite, plagioclase, pyroxene, quartz, zirkon
pyroxene
senyawa isi
ca, fe, kalium oxide, mg, kalium, silikon dioksida
aluminium oxide, wesi (iii) oxide, kalium oxide, sodium oxide, titanium dioxide
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism
cuaca
✔
✘
✔
✘
jinis udan
udan biologi, udan kimia, udan mechanical
udan biologi, udan kimia, udan mechanical
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia
erosi kimia, erosi gisik, erosi Glacier
fisik
atose
2-2.256
1
7
👆🏻
ukuran gandum
medium kanggo nggoleki coarse grained
medium kanggo nggoleki coarse grained
rengat
conchoidal
ora rata
tilas
putih
putih kanggo werna abu-abu
porosity
kurang keropos
kurang keropos
luster
subvitreous kanggo kurang
kurang
kekuatan compressive
70.00 n / mm 2175.00 n / mm 2
0.15
450
👆🏻
cleavage
sampurna
-
kateguhan
-
1.6
tartamtu gravitasi
2.86-2.872.98
0
8.4
👆🏻
transparan
tembus
opaque
Kapadhetan
2.77-2.771 g / cm 32.9-3 g / cm 3
0
1400
👆🏻
situs termal
kapasitas panas tartamtu
0.92 kj / kg k0.79 kj / kg k
0.14
3.2
👆🏻
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas, meksa tahan
celengan ing bawana wétan
asia
-
India, Russia
africa
-
South Africa
europe
france, greece, romania, Scotland, spain
iceland
wong
-
-
celengan ing bawana kulon
lor amerika
USA
Canada, USA
kidul amerika
Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela
Brazil
celengan ing Oseania bawana
australia
New Zealand, South Australia, Western Australia
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